European and US technologies enable CETUS: an ultraviolet space telescope concept

Tony Hull; Sara Heap; Bill Danchi; Bob Woodruff; Steve Kendrick; Lloyd Purves

doi:10.1117/12.2536176

12 July 2019 European and US technologies enable CETUS: an ultraviolet space telescope concept

Tony Hull, Sara Heap, Bill Danchi, Bob Woodruff, Steve Kendrick, Lloyd Purves

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Proceedings Volume 11180, International Conference on Space Optics — ICSO 2018; 1118075 (2019) https://doi.org/10.1117/12.2536176
Event: International Conference on Space Optics - ICSO 2018, 2018, Chania, Greece

Abstract

NASA has funded the Cosmic Evolution Through Ultraviolet Spectroscopy (CETUS) mission study in preparation for the Decadal Survey, ASTRO2020. CETUS is developed as a Probe Class Mission, a new NASA category for astrophysics cost capped at 1B USD. This enables larger and more sophisticated observatories than under NASA’s Explorer Programs, but less ambitious than under NASA Flagship Missions. The NASA CETUS Study has resulted in a wide-field-of-view (WFOV) telescope of 1.5m aperture, with the colleting area by solid angle product A*Ω substantially higher than that for HST. CETUS will include a wide field camera, a multi-object spectrograph of the same field, and also a point source spectrometer reaching down to 100nm wavelength.

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Tony Hull, Sara Heap, Bill Danchi, Bob Woodruff, Steve Kendrick, and Lloyd Purves "European and US technologies enable CETUS: an ultraviolet space telescope concept", Proc. SPIE 11180, International Conference on Space Optics — ICSO 2018, 1118075 (12 July 2019); https://doi.org/10.1117/12.2536176

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KEYWORDS

Galactic astronomy

Spectrographs

Ultraviolet radiation

Space telescopes

Spectroscopy

Telescopes

Stars

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